Barnstable, Massachusetts Weather by Month

Barnstable is a picturesque town located in the heart of Cape Cod, Massachusetts, United States. Situated on the southeastern coast of Massachusetts, Barnstable encompasses seven distinct villages: Barnstable Village, Centerville, Cotuit, Hyannis, Marstons Mills, Osterville, and West Barnstable. The town covers a substantial area of about 76 square miles and has a population of approximately 45,000 residents, making it the largest community on Cape Cod both in land area and population.

Barnstable is known for its charming coastal scenery, historic sites, and vibrant maritime culture. It serves as the commercial and transportation hub of Cape Cod, with Hyannis being the most bustling village, home to the Barnstable Municipal Airport and the ferry terminals that connect the mainland to the islands of Martha’s Vineyard and Nantucket. Notable landmarks in Barnstable include the John F. Kennedy Hyannis Museum, the Cape Cod Maritime Museum, and the historic Sturgis Library, one of the oldest libraries in the United States.

The town is also affiliated with several prominent educational institutions. Cape Cod Community College, located in West Barnstable, provides higher education opportunities and contributes to the local cultural landscape. Barnstable’s economy is diverse, with significant contributions from tourism, fishing, and small businesses.

Climate and Weather Overview

Barnstable, Massachusetts, experiences a maritime climate influenced by its coastal location, leading to relatively mild winters and cool summers. The climate is characterized by moderate precipitation throughout the year and significant seasonal variations.

Average Temperature, Precipitation, and Sunny Days

Month Average High (°F) Average Low (°F) Average Precipitation (inches) Average Sunny Days
January 37 22 4.0 10
February 39 23 3.4 10
March 45 29 4.5 12
April 55 38 4.3 13
May 65 47 3.7 14
June 74 56 3.4 15
July 80 62 3.3 16
August 79 61 3.5 15
September 72 54 3.8 13
October 62 44 4.4 12
November 52 35 4.5 10
December 41 26 4.1 9

Weather by Month


Weather Overview:
January in Barnstable is cold, with average high temperatures around 37°F and lows dropping to 22°F. The town receives about 4.0 inches of precipitation, mostly in the form of snow.

Natural Disasters:
Winter storms and nor’easters can bring heavy snowfall and strong winds, leading to potential power outages and travel disruptions.


  • Indoor: Visiting the John F. Kennedy Hyannis Museum.
  • Outdoor: Enjoying winter walks on the beach and birdwatching.


Weather Overview:
February remains cold, with temperatures ranging from 39°F during the day to 23°F at night. Precipitation decreases slightly to 3.4 inches.

Natural Disasters:
Snowstorms and icy conditions can occur, impacting travel and outdoor activities.


  • Indoor: Exploring local art galleries and attending community events.
  • Outdoor: Ice skating and winter hiking in nearby nature reserves.


Weather Overview:
March brings a slight warming trend, with average highs of 45°F and lows around 29°F. The town experiences about 4.5 inches of precipitation.

Natural Disasters:
Early spring storms and occasional late-season snow can cause localized disruptions.


  • Indoor: Visiting the Cape Cod Maritime Museum.
  • Outdoor: Early spring gardening and walking along scenic trails.


Weather Overview:
April sees further warming, with temperatures ranging from 55°F to 38°F. Rainfall is around 4.3 inches.

Natural Disasters:
Spring storms and potential flooding remain a concern.


  • Indoor: Attending local arts and crafts fairs.
  • Outdoor: Biking, hiking, and enjoying the blossoming scenery.


Weather Overview:
May is significantly warmer, with average highs of 65°F and lows around 47°F. The town receives about 3.7 inches of rain.

Natural Disasters:
Thunderstorms are common, but severe weather is generally rare.


  • Indoor: Exploring historical exhibits at local museums.
  • Outdoor: Participating in outdoor sports and community events.


Weather Overview:
June ushers in the summer season, with temperatures ranging from 74°F to 56°F. Precipitation is around 3.4 inches.

Natural Disasters:
The risk of severe weather is low, making it a pleasant time for outdoor activities.


  • Indoor: Attending concerts and theater performances.
  • Outdoor: Swimming, picnicking, and enjoying summer festivals.


Weather Overview:
July is the warmest month, with average high temperatures reaching 80°F and lows around 62°F. Rainfall is about 3.3 inches.

Natural Disasters:
Heatwaves and thunderstorms can occur, necessitating precautions to avoid heat-related illnesses.


  • Indoor: Enjoying air-conditioned facilities and community centers.
  • Outdoor: Celebrating Independence Day with fireworks and barbecues.


Weather Overview:
August remains warm, with temperatures averaging between 79°F and 61°F. Precipitation is around 3.5 inches.

Natural Disasters:
The risk of thunderstorms remains, with occasional heatwaves.


  • Indoor: Visiting local art galleries and cultural exhibitions.
  • Outdoor: Hiking, camping, and participating in summer sports.


Weather Overview:
September sees a gradual cooling, with temperatures ranging from 72°F to 54°F. Rainfall increases to about 3.8 inches.

Natural Disasters:
Hurricanes and tropical storms can pose a risk during this month.


  • Indoor: Attending fall fairs and exhibitions.
  • Outdoor: Enjoying autumn activities such as apple picking and leaf-peeping.


Weather Overview:
October brings cooler weather, with average highs of 62°F and lows around 44°F. Precipitation is about 4.4 inches.

Natural Disasters:
Autumn storms and potential flooding can occur, but severe weather is rare.


  • Indoor: Participating in Halloween events and indoor markets.
  • Outdoor: Visiting pumpkin patches and hiking in the crisp fall air.


Weather Overview:
November temperatures range from 52°F during the day to 35°F at night. The town receives about 4.5 inches of rain.

Natural Disasters:
The likelihood of severe weather is minimal, making it a calm month weather-wise.


  • Indoor: Celebrating Thanksgiving with community gatherings.
  • Outdoor: Autumn walks and preparations for winter festivities.


Weather Overview:
December in Barnstable is cold, with average highs of 41°F and lows of 26°F. Rainfall is around 4.1 inches, with occasional snowfall.

Natural Disasters:
Snowstorms and icy conditions can pose challenges for travel and outdoor activities.


  • Indoor: Enjoying holiday markets and community events.
  • Outdoor: Decorating for the holidays and participating in winter sports.

Barnstable, Massachusetts, offers a rich variety of activities and experiences throughout the year, making it a charming place to visit or reside. The town’s climate provides distinct seasons, each with its unique set of outdoor and indoor activities, allowing residents and visitors to enjoy the natural beauty and community spirit of the area.

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